def get_formatted_name(first_name, last_name):
    '''返回整洁的姓名'''
    full_name = first_name + ' ' + last_name
    return full_name.title()

while True:
    print('\nPlease tell me your name: ')
    print('(enter \'q\' at any time to quit)')
    f_name = input('First name: ')
    if f_name == 'q':
        break
    l_name = input('Last name: ')
    if l_name == 'q':
        break
    formatted_name = get_formatted_name(f_name, l_name)
    print('\nHello, ' + formatted_name + '!')